Consumer demand refers to consumers' needs and desires of the consumer goods in the form of goods and services. When the commodity economy in the developed stage, the field of consumer spending is relatively narrow, the consumption of content is very rich World Steel Pipe News , satisfaction has been largely restricted. Consumer demand and its satisfaction in a depressed state. In the market economy under the conditions of production and subsistence are commodities, the people's production and life satisfaction of consumer demand can not be separated from market exchange. With the continuous development of social productive forces, the market will provide a greater number of better quality products to better meet consumer demand. Meanwhile, with the increasing of people's material and cultural living standards, consumer demand also showing a diverse, multi-level World Pipe network informed, and the gradual development of low-level to high-level consumer field continues to expand, consumer increasingly rich, constantly improving the quality of consumer trends .